<template>
  <div>
    <!-- 面包屑导航区 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图 -->
    <el-card>
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInf.query" clearable @clear="getGoodsList">
            <el-button @click="getGoodsList" slot="append" icon="el-icon-search"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
            <el-button type="primary" @click="goAddpage">添加商品</el-button>

        </el-col>
      </el-row>


      <!-- table表格区域 -->
      <el-table :data="goodslist" border stripe>
          <!-- 索引列 -->
       <el-table-column type="index"></el-table-column>
       <el-table-column label="商品名称" prop="goods_name"></el-table-column>
       <el-table-column label="商品价格(元)" prop="goods_price" width="95px"></el-table-column>
       <el-table-column label="商品重量" prop="goods_weight" width="70px"></el-table-column>
       <el-table-column label="创建时间" prop="add_time" width="140px">
            <template slot-scope="scope">
                {{scope.row.add_time | dateFormat}} 
               </template> 
       </el-table-column>
       <el-table-column label="操作" width="130px">
         <template slot-scope="scope">
          <el-button type="primary" size="mini" icon="el-icon-edit"></el-button>
          <el-button type="danger" size="mini" icon="el-icon-delete" @click="removeById(scope.row.goods_id)"></el-button>
        </template>
       </el-table-column>
      </el-table>



      <!-- 分页 -->
          <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="queryInf.pagenum"
      :page-sizes="[5, 10, 15, 20]"
      :page-size="queryInf.pagesize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total" background>
    </el-pagination>
    </el-card>

   



  </div>
</template>


<script>
export default {
  data() {
    return {
        // 查询对象
        queryInf: {
            query:'',
            pagenum: 1,
            pagesize: 10
        },
        // 商品列表
        goodslist: [
        ],
        // 总数据条数
        total: 0
    }
  },
  created() {
      this.getGoodsList()
  },
  methods: {
    //  根据枫叶获取对应的商品列表
    async getGoodsList() {
     const {data: res} =  await this.$http.get('goods', {params: this.queryInf})
      if (res.meta.status !== 200) {
        return this.$message.error('获取商品列表失败')
      }
      //  数据列表赋值
      this.goodslist = res.data.goods
      this.total = res.data.total 
    //    console.log(this.goodslist)
     },
     handleSizeChange(newSize) {
       this.queryInf.pagesize= newSize
       this.getGoodsList()
     },
     handleCurrentChange(newPage) {
         this.queryInf.pagenum = newPage
         this.getGoodsList()
     },
    async removeById(id) {
        const confirmResult = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err => err)

        if(confirmResult !=='confirm') {
            return this.$message.info('已取消删除')
        }
        
        
        const { data: res } = await this.$http.delete(`goods/${id}`)

      if (res.meta.status !== 200) {
        return this.$message.error('删除商品失败!')
      }

      this.$message.success('删除商品成功!')
      this.getGoodsList()
     },
     goAddpage() {
        this.$router.push('/goods/add')
     }
  },
}
</script>


<style lang="less" scoped>
</style>